Alturas, CA Weather & Growing Conditions
This Afternoon
53°F
Mostly Cloudy
Mostly cloudy. High near 53, with temperatures falling to around 46 in the afternoon. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Mostly Cloudy | 3 mph N | 11% |
| Tonight | 26°F | Mostly Cloudy | 0 to 6 mph SSE | 5% |
| Wednesday | 54°F | Mostly Sunny | 2 mph NNW | 8% |
| Wednesday Night | 27°F | Mostly Cloudy | 2 mph NE | 2% |
| Thursday | 55°F | Mostly Sunny | 1 mph NNW | 0% |
| Thursday Night | 25°F | Mostly Clear | 1 mph NE | 0% |
| Friday | 63°F | Mostly Sunny | 1 mph NE | 0% |
| Friday Night | 29°F | Mostly Clear | 0 to 3 mph ESE | 0% |
| Saturday | 67°F | Sunny | 2 to 13 mph SE | 0% |
| Saturday Night | 31°F | Partly Cloudy | 3 to 15 mph S | 0% |
| Sunday | 64°F | Mostly Sunny | 1 to 5 mph SSW | 0% |
| Sunday Night | 31°F | Mostly Cloudy | 0 to 3 mph S | 0% |
| Monday | 62°F | Partly Sunny | 1 to 6 mph SSW | 4% |
| Monday Night | 29°F | Partly Cloudy | 0 to 5 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alturas, CA
Last spring frost
Jun 3
First fall frost
Sep 13
Growing season
97 days
Hardiness zone
6b
Explore more for Alturas, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Alturas, Ca (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.